Lock



FIG. 1 is a perspective view of a lock showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevation 1 view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged perspective view of a link shown in FIGS. 1-7, shown separately for clarity;

FIG. 9 is a front elevational view of FIG. 8;

FIG. 10 is a rear elevational view pf FIG. 8;

FIG. 11 is a right side elevational view of FIG. 8;

FIG. 12 is a left side elevational view of FIG. 8;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view of FIG. 8.

The portions of the figures shown in broken lines are for illustrative purpose only and form no part of the claimed design. 

CLAIM I claim the ornamental design for a lock, as shown and described. 